Drop foot prevention device



FIG. 1 is a top, right side, perspective view of a drop foot prevention device showing my new design;

FIG. 2 is a top perspective view thereof; and,

FIG. 3 is another top, right side, perspective view thereof, as worn by a person wearing a sandal shown in broken lines.

The broken lines shown in FIG. 3 illustrate environmental subject matter and form no part of the claimed design. 

CLAIM The ornamental design for a drop foot prevention device, as shown and described. 